[yocto] [Yocto][Rocko] conflicts with clang libraries

[Khem Raj]

are you using rocko branch of meta-clang as well ?

On Wed, May 30, 2018 at 7:57 AM, david at lapinbilly.eu
<david at lapinbilly.eu> wrote:
> hello
>
> With the help of yocto/rocko, I m writing recipes to build an image that should provide an opencl stack on top of "beignet".
>
> https://cgit.freedesktop.org/beignet/
>
> started from here:
> https://github.com/intel/intel-iot-refkit/tree/master/meta-refkit-computervision/recipes-opencl
>
>
> Thus this requires clang to build, I included the meta-layer, from
>
> https://github.com/kraj/meta-clang
>
> in the configuration.
>
>
> -->
>
> I am facing conflicts between clang c++ library and libunwind.
>
> ERROR: Multiple .bb files are due to be built which each provide libunwind:
>   /home/marec/poky/meta-clang/recipes-devtools/clang/libcxx_git.bb
>   /home/marec/poky/meta/recipes-support/libunwind/libunwind_1.2.bb
> A list of tasks depending on these providers is shown and may help explain where the dependency comes from.
> /home/marec/poky/meta/recipes-support/libunwind/libunwind_1.2.bb has unique dependees:
>   /home/marec/poky/meta/recipes-core/packagegroups/packagegroup-core-tools-profile.bb:do_build
>   /home/marec/poky/meta/recipes-kernel/perf/perf.bb:do_prepare_recipe_sysroot
>   /home/marec/poky/meta/recipes-kernel/perf/perf.bb:do_build
>   /home/marec/poky/meta/recipes-kernel/perf/perf.bb:do_package
> /home/marec/poky/meta-clang/recipes-devtools/clang/libcxx_git.bb has unique dependees:
>   /home/marec/poky/meta-clang/recipes-devtools/clang/clang_git.bb:do_package
>   /home/marec/poky/meta-clang/recipes-devtools/clang/clang_git.bb:do_prepare_recipe_sysroot
>   /home/marec/poky/meta-msdk-stack/recipes-multimedia/beignet/beignet_1.3.2.bb:do_build
>   /home/marec/poky/meta-clang/recipes-devtools/clang/clang_git.bb:do_build
> It could be that one recipe provides something the other doesn't and should. The following provider and runtime provider differences may be helpful.
> /home/marec/poky/meta-clang/recipes-devtools/clang/libcxx_git.bb has unique provides:
>   libcxx
> /home/marec/poky/meta-clang/recipes-devtools/clang/libcxx_git.bb has unique rprovides:
>   libcxx
>   libcxx-dbg
>   libcxx-doc
>   libcxx-staticdev
>   libcxx-locale
>   libcxx-dev
>   ^libcxx-locale-.*
> /home/marec/poky/meta/recipes-support/libunwind/libunwind_1.2.bb has unique provides:
>
> /home/marec/poky/meta/recipes-support/libunwind/libunwind_1.2.bb has unique rprovides:
>   libunwind-doc
>   libunwind-dev
>   ^libunwind-locale-.*
>   libunwind-staticdev
>   libunwind-locale
>   libunwind-dbg
>
> <--
>
> I do not intend to use Clang as a primary or secondary tool-chain.
> - I already setup icc as secondary tool-chain -
>
> Any clue to solve this ?
>
> --
> David Marec
>
> --
> _______________________________________________
> yocto mailing list
> yocto at yoctoproject.org
> https://lists.yoctoproject.org/listinfo/yocto